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陕西省合阳县总耕地111万亩,其中旱地占95％。小麦是主要粮食作物,一般年份种植54万多亩,面积和总产均占粮食播种面积和粮食总产的60％以上。1983年全县57.1万亩小麦平均亩产350斤,创历史最高水平。一,认识旱源特点,分析影响小麦生产的主要因素
Heyang County, Shaanxi Province, a total of 111 mu of cultivated land, of which dry land accounted for 95%. Wheat is the main food crop, with an average annual planting area of 540,000 mu and an area and total output accounting for more than 60% of the sown area of grain and total grain output. In 1983 the county 571,000 mu of wheat average yield 350 kilograms, the highest record level. First, recognize the characteristics of dryland, analyze the main factors that affect wheat production